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By contrast, the results of the massive study by Bianchi et al. (2022) [9] indicate that the PHQ-9's total score is essentially unidimensional. The test-retest reliability was found to be excellent. The correlation between PHQ-9 scores obtained from in-person and phone interviews with the same patients was 0.84. [1]
The Patient Health Questionnaire 2 item (PHQ-2) is an ultra-brief screening instrument containing the first two questions from the PHQ-9. [ 8 ] : 3 Two screening questions to assess the presence of a depressed mood and a loss of interest or pleasure in routine activities , and a positive response to either question indicates further testing is ...
The Patient Health Questionnaire-2 (PHQ-2) is a shorter version of the PHQ-9 with two screening questions to assess the presence of a depressed mood and a loss of interest or pleasure in routine activities; a positive response to either question indicates further testing is required. [10]
The following diagnostic systems and rating scales are used in psychiatry and clinical psychology.This list is by no means exhaustive or complete. For instance, in the category of depression, there are over two dozen depression rating scales that have been developed in the past eighty years.
PHQ-9 is a reliable depression severity scale that was formulated in accordance with DSM-IV criteria for depression, consisting of 9 items correlating to the 9 criteria listed in DSM-IV. [25] It is a shortened version of the PHQ and has been assessed for comparable sensitivity and specificity. [25]
Measures of depression include, but are not limited to: Beck Depression Inventory-11 and the 9-item depression scale in the Patient Health Questionnaire (PHQ-9). [55] Both of these measures are psychological tests that ask personal questions of the participant, and have mostly been used to measure the severity of depression.
The SSD-12 is composed of 12 items. Each of the three psychological sub-criteria of DSM-5 somatic symptom disorder (cognitive, affective, behavioral) [2] is measured by four items with all item scores ranging between 0 and 4 (0 = never, 1 = rarely, 2 = sometimes, 3 = often, 4 = very often). The order of the 12 items alternates between the three ...
The Center for Epidemiologic Studies Depression Scale (CES-D) is a scale for depression symptoms that applies to the general population. This scale is typically used in research and not for self-reports. The PHQ-9 which stands for Patient-Health Questionnaire-9 questions, is a self-report as well.